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Iringa, 
Tanzania
201,525 people lived in Iringa in 2025. It is the 2959th largest of the world's 12,138 cities, and the 12th largest in Tanzania.
Like every city on this site, Iringa is counted as a built-up area seen from above rather than as a city government's territory. Why that changes the number.
Verified 2026-09-30 · 73 canaries
People · every five years · 1975 to 2050
How Iringa grew
Count 10 people in Iringa in 2000 and the same count gives 38.4 in 2025.
On the UN's projection it will have 328,250 people in 2050. On the UN's projection it passes 250,000 people between 2035 and 2040. The UN first counts it as a city in 2000, when it passed 50,000 people.
projected (after 2025) · how sure the UN is: high moderate low
How to read this: each column is one of the UN's five-yearly estimates, 1975 through 2050, and taller means more people. Where a column is hatched the year has not happened yet. The strip under the columns is the UN's own confidence in each figure, palest where it is least sure; where it is blank the city was not on the list at all.
People · your family's years · 1975 to 2050
Iringa through your family’s years
Put in the years your family were born. You’ll see how many people lived in Iringa in each of those years, and when each of them turned 30.
Tanzania · every city · 2025
Where it is
How to read this: every dot is one of the 45 cities in Tanzania in 2025, and a dot's area is how many people live there, the biggest being Dar es Salaam. The ringed dot in colour is Iringa; the grey dots are the rest. The outlines around them are neighbouring countries.
Area and built-up land · km²
How much land it covers
In 2025, Iringa covered 51 km², and buildings, roads and other built-up land covered 9.8 km² of it. That is 49 m² of built-up land for each person, about a square 7 by 7 metres. Since 2000, its built-up land has grown to 3.2 times its size, and its people are 3.8 times as many.
How to read this: each pale square is the city's whole area, the strong square inside it the part that is built on; one scale for all three, so a bigger square is more land. Hatched is the UN's projection.
Of every 100 people in Tanzania
Its share of Tanzania
Of every 1,000 people in Tanzania in 2025, 3 lived in Iringa, which is 201,525 people.
How to read this: 1,000 squares, one for every 1,000th person in Tanzania; the coloured squares live in Iringa. The grey rest live in other cities, in towns or in the countryside.
Ranked by people · 2025
Cities of a similar size
In the world, 2025
- 2933 Duekoue Côte d’Ivoire203,323
- 2940 Bajil Yemen202,715
- 2948 Supaul India202,024
- 2957 Sakhakot Pakistan201,598
- 2959 Iringa201,525
- 2964 Pasrur Pakistan201,450
- 2970 Narayanpur Bangladesh201,100
- 2971 Afikpo Nigeria201,084
- 2975 Kropyvnytskyi Ukraine200,894
In Tanzania, 2025
- 1861 Moshi309,202
- 1956 Tanga296,202
- 2166 Dodoma269,047
- 2641 Songea223,567
- 2959 Iringa201,525
- 3014 Tabora198,557
- 3121 Musoma192,622
- 3311 Sumbawanga181,940
- 3485 Bukoba173,889
How to read this: the number before each name is its place among all 12,138 cities in the world in 2025; bars are people, on one scale per list. Only cities that reach 300,000 people have a page here, so a gap in the numbers is a smaller city.
Apparatus
Sources and method
The figures for Iringa are the UN's own, at five-year steps: an estimate for each of 2000 to 2025, then projection to 2050. Projected years are drawn hatched, and the UN publishes no range of uncertainty for a city. What a city means here, how the UN measures one, and why that number can differ from the one Iringa publishes about itself: how the figures here are put together.
Sources: UN WUP 2025 · Natural Earth · flag-icons. Every source, its licence and how to cite it →
Verified 2026-09-30 · 73 canaries